Modern Control Engineering by Katsuhiko Ogata 5th Ed.

Modern Control
Engineering
Fifth Edition
Katsuhiko Ogata
Prentice Hall
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Library of Congress Cataloging-in-Publication Data on File
10 9 8 7 6 5 4 3 2 1
ISBN 10: 0-13-615673-8
ISBN 13: 978-0-13-615673-4

C
iii
Contents
Preface ix
Chapter 1 Introduction to Control Systems 1
1–1 Introduction 1
1–2 Examples of Control Systems 4
1–3 Closed-Loop Control Versus Open-Loop Control 7
1–4 Design and Compensation of Control Systems 9
1–5 Outline of the Book 10
Chapter 2 Mathematical Modeling of Control Systems 13
2–1 Introduction 13
2–2 Transfer Function and Impulse-Response Function 15
2–3 Automatic Control Systems 17
2–4 Modeling in State Space 29
2–5 State-Space Representation of Scalar Differential
Equation Systems 35
2–6 Transformation of Mathematical Models with MATLAB 39

2–7 Linearization of Nonlinear Mathematical Models 43
Example Problems and Solutions 46
Problems 60
Chapter 3 Mathematical Modeling of Mechanical Systems
and Electrical Systems 63
3–1 Introduction 63
3–2 Mathematical Modeling of Mechanical Systems 63
3–3 Mathematical Modeling of Electrical Systems 72
Example Problems and Solutions 86
Problems 97
Chapter 4 Mathematical Modeling of Fluid Systems
and Thermal Systems 100
4–1 Introduction 100
4–2 Liquid-Level Systems 101
4–3 Pneumatic Systems 106
4–4 Hydraulic Systems 123
4–5 Thermal Systems 136
Example Problems and Solutions 140
Problems 152
Chapter 5 Transient and Steady-State Response Analyses 159
5–1 Introduction 159
5–2 First-Order Systems 161
5–3 Second-Order Systems 164
5–4 Higher-Order Systems 179
5–5 Transient-Response Analysis with MATLAB 183
5–6 Routh’s Stability Criterion 212
5–7 Effects of Integral and Derivative Control Actions
on System Performance 218
5–8 Steady-State Errors in Unity-Feedback Control Systems 225
Example Problems and Solutions 231
Problems 263
iv Contents